Trig- Common Angles
cos(180)
-1 (cos of what angle in Q2)
sin(270)
-1 (sin of what angle in Q3)
cos(90)
0 (cos of what angle in Q1)
cos(270)
0 (cos of what angle in Q3)
sin(0deg)
0 (sin of what angle in Q1)
sin(180)
0 (sin of what angle in Q2)
tan(0deg)
0 (tan of what angle in Q1)
tan(180)
0 (tan of what angle in Q2)
cos(0deg)
1 (cos of what angle in Q1)
sin(90)
1 (sin of what angle in Q1)
tan(45)
1 (tan of what angle in Q1)
cos(60)
1/2 (cos of what angle in Q1)
sin(30)
1/2 (sin of what angle in Q1)
270 degrees
3π/2 (what in degrees)
cos(45)
sqrt2/2 (cos of what angle in Q1)
sin(45)
sqrt2/2 (sin of what angle in Q1)
tan(60)
sqrt3 (tan of what angle in Q1)
cos(30)
sqrt3/2 (cos of what angle in Q1)
sin(60)
sqrt3/2 (sin of what angle in Q1)
tan(30)
sqrt3/3 (tan of what angle in Q1)
tan(90)
undefined (tan of what angle in Q1)
tan(270)
undefined (tan of what angle in Q3)
180 degrees (in rad)
π (what in degrees)
90 degrees
π/2 (what in degrees)
60 degrees
π/3 (what in degrees)
45 degrees (in rad)
π/4 (what in degrees)
30 degrees
π/6 (what in degrees)